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• Expedited Geometry Scaling of Compact Microwave Passives by Means of Inverse Surrogate Modeling

  Publikacja

  • S. Kozieł
  • A. Bekasiewicz

  - IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES - Rok 2015

  In this paper, the problem of geometry scaling of compact microwave structures is investigated. As opposed to conventional structures (i.e., constructed using uniform transmission lines), re-design of miniaturized circuits (e.g., implemented with artificial transmission lines, ATSs) for different operating frequencies is far from being straightforward due to considerable cross-couplings between the circuit components. Here, we...

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• Development and validation of a GC–MS/MS method for the determination of 11 amphetamines and 34 synthetic cathinones in whole blood

  Publikacja

  • M. K. Woźniak
  • L. Banaszkiewicz
  • M. Wiergowski
  • E. Tomczak
  • M. Kata
  • B. Szpiech
  • J. Namieśnik
  • M. Biziuk

  - Forensic Toxicology - Rok 2020

  Purpose Psychoactive compounds that contain a phenylethylamine structure (such as amphetamine-type stimulants and synthetic cathinones) are one of the major classes of stimulants on the recreational drug market. Approximately 670 new psychoactive substances (NPS) are monitored only in Europe; however, new psychoactive compounds are being developed for illicit trade each year. In this context, the development of new analytical procedures...

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